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<meta charset=utf-8>
<title>CSS Values and Units Level 3 Implementation Report</title>
<style>

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html {
  font-family: sans-serif;
  line-height: 1.5;
  margin: 0.5em 4%;
  padding: 0 0.5em;
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body {
  margin: 0; padding: 2rem;
}

h1, h2, h3, h4 {
  color: navy;
  line-height: 1;
  margin: 3rem 0 1rem -2rem;
}
h1:first-child {
  margin-top: 0;
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aside {
  font-style: italic;
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p.annotation {
  text-align: right;
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dt {
  font-weight: bold;
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dd {
  margin-bottom: 1em;
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ul {
  list-style-type: circle;
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code {
  font: inherit;
  font-style: italic;
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  color: navy;
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	table {
		word-wrap: normal;
		overflow-wrap: normal;
		hyphens: manual;
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	table.data {
		margin: 1em auto;
		border-collapse: collapse;
		border: hidden;
		border-bottom: none;
		width: 100%;
		font-size: 90%;
	}
	table.data caption {
		max-width: 50em;
		margin: 0 auto 1em;
	}

	table.data tr {
		border-width: 1px;
		border-color: silver;
		border-top-style: solid;
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	table.data thead,
	table.data tbody {
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	table.data td, table.data th {
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	table.data tbody th,
	table.data td:first-child {
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	table.data th[scope=rowgroup] {
		font-weight: bold;
		background: #EEE;
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	table.data img {
		vertical-align: middle;
	}
</style>

<h1>CSS Values and Units Level 3 Implementation Report</h1>
<p class="annotation">Last updated <time>2021-04-30</time>

<h2 id=details>
Detailed Testing</h2>

	<p>Tables below include Blink, Gecko and WebKit results for Level 3 features.

	<table class=data>
	<thead>
		<tr>
			<th>Test
			<th>Blink
			<th>Gecko
			<th>WebKit

	<tbody id=length>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#ch">Distance Units: the &lt;length&gt; type</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-unit-analysis.html">calc-unit-analysis.html</a>
			<td>
			<td>
			<td>

	<tbody id=ch>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#ch"><code>ch</code> unit</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-ch-ex-lang.html">calc-ch-ex-lang.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-001.html">ch-unit-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-002.html">ch-unit-002.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-003.html">ch-unit-003.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-004.html">ch-unit-004.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-008.html">ch-unit-008.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-009.html">ch-unit-009.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-010.html">ch-unit-010.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-011.html">ch-unit-011.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-012.html">ch-unit-012.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-016.html">ch-unit-016.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-unit-017.html">ch-unit-017.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/line-break-ch-unit.html">line-break-ch-unit.html</a>
			<td>
			<td>
			<td>

	<tbody id=Q>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#Q"><code>Q</code> unit</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/absolute-length-units-001.html">absolute-length-units-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/q-unit-case-insensitivity-001.html">q-unit-case-insensitivity-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/q-unit-case-insensitivity-002.html">q-unit-case-insensitivity-002.html</a>
			<td>
			<td>
			<td>

	<tbody id=rem>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#rem"><code>rem</code> unit</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-infinity-nan-computed.html">calc-infinity-nan-computed.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-rem-lang.html">calc-rem-lang.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/percentage-rem-low.html">percentage-rem-low.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/rem-root-font-size-restyle-1.html">rem-root-font-size-restyle-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/rem-unit-root-element.html">rem-unit-root-element.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/update-subpixel-rem-unit.html">update-subpixel-rem-unit.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-em-inherit.html">vh-em-inherit.html</a>
			<td>
			<td>
			<td>

	<tbody id=angles>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#angles">&lt;angle&gt;: <code>deg</code>, <code>grad</code>, <code>rad</code>, <code>turn</code> units</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/angle-units-001.html">angle-units-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/angle-units-002.html">angle-units-002.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/angle-units-003.html">angle-units-003.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/angle-units-004.html">angle-units-004.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/angle-units-005.html">angle-units-005.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-angle-values.html">calc-angle-values.html</a>
			<td>
			<td>
			<td>

	<tbody id=time>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#time">time: <code>s</code>, <code>ms</code> units</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-time-values.html">calc-time-values.html</a>
			<td>
			<td>
			<td>

	<tbody id=frequency>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#frequency">frequency: <code>Hz</code>, <code>kHz</code> units</a>
		<tr>
			<th>none
			<td>
			<td>
			<td>

	<tbody id=resolution>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#resolution">resolution: <code>dpi</code>, <code>dpcm</code>, <code>dppx</code> units</a>
		<tr>
			<th>none
			<td>
			<td>
			<td>

	<tbody id=attr-notation>
		<tr><th colspan=4 scope=rowgroup>
			<a href="http://www.w3.org/TR/css3-values/#attr-notation">attribute references: <code>attr()</code></a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-color-invalid-cast.html">attr-color-invalid-cast.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-color-invalid-fallback.html">attr-color-invalid-fallback.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-color-valid.html">attr-color-valid.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-invalid-type-001.html">attr-invalid-type-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-invalid-type-002.html">attr-invalid-type-002.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-invalid-type-008.html">attr-invalid-type-008.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-length-invalid-cast.html">attr-length-invalid-cast.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-length-invalid-fallback.html">attr-length-invalid-fallback.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-length-valid-zero-nofallback.html">attr-length-valid-zero-nofallback.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-length-valid-zero.html">attr-length-valid-zero.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-length-valid.html">attr-length-valid.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-px-invalid-cast.html">attr-px-invalid-cast.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-px-invalid-fallback.html">attr-px-invalid-fallback.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/attr-px-valid.html">attr-px-valid.html</a>
			<td>
			<td>
			<td>

	<tbody id=calc-notation>
		<tr><th colspan=4 scope=rowgroup>
			<a href="http://www.w3.org/TR/css3-values/#calc-notation">Mathematical Expressions: <code>calc()</code></a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-background-image-gradient-1.html">calc-background-image-gradient-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-background-linear-gradient-1.html">calc-background-linear-gradient-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-background-position-002.html">calc-background-position-002.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-background-position-003.html">calc-background-position-003.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-background-position-1.html">calc-background-position-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-background-size-1.html">calc-background-size-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-border-radius-1.html">calc-border-radius-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-ch-ex-lang.html">calc-ch-ex-lang.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-height-block-1.html">calc-height-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-height-table-1.html">calc-height-table-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-in-calc.html">calc-in-calc.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-in-color-001.html">calc-in-color-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-in-counter-001.xhtml">calc-in-counter-001.xhtml</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-in-font-feature-settings.html">calc-in-font-feature-settings.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-invalid-range-clamping.html">calc-invalid-range-clamping.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-letter-spacing.html">calc-letter-spacing.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-margin-block-1.html">calc-margin-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-max-height-block-1.html">calc-max-height-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-max-width-block-1.html">calc-max-width-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-max-width-block-intrinsic-1.html">calc-max-width-block-intrinsic-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-min-height-block-1.html">calc-min-height-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-min-height.html">calc-min-height.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-min-width-block-1.html">calc-min-width-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-min-width-block-intrinsic-1.html">calc-min-width-block-intrinsic-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-nesting.html">calc-nesting.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-numbers.html">calc-numbers.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-absolute-bottom-1.html">calc-offsets-absolute-bottom-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-absolute-left-1.html">calc-offsets-absolute-left-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-absolute-right-1.html">calc-offsets-absolute-right-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-absolute-top-1.html">calc-offsets-absolute-top-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-relative-bottom-1.html">calc-offsets-relative-bottom-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-relative-left-1.html">calc-offsets-relative-left-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-relative-right-1.html">calc-offsets-relative-right-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-offsets-relative-top-1.html">calc-offsets-relative-top-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-padding-block-1.html">calc-padding-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-parenthesis-stack.html">calc-parenthesis-stack.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-rem-lang.html">calc-rem-lang.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-rgb-percent-001.html">calc-rgb-percent-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-rounding-001.html">calc-rounding-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-rounds-to-integer.html">calc-rounds-to-integer.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-text-indent-1.html">calc-text-indent-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-text-indent-intrinsic-1.html">calc-text-indent-intrinsic-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-time-values.html">calc-time-values.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-transform-origin-1.html">calc-transform-origin-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-unit-analysis.html">calc-unit-analysis.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-vertical-align-1.html">calc-vertical-align-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-width-block-1.html">calc-width-block-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-width-block-intrinsic-1.html">calc-width-block-intrinsic-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/calc-width-table-auto-1.html">calc-width-table-auto-1.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ex-calc-expression-001.html">ex-calc-expression-001.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/getComputedStyle-border-radius-002.html">getComputedStyle-border-radius-002.html</a>
			<td>
			<td>
			<td>

	<tbody id=viewport-percentage-lengths>
		<tr><th colspan=4 scope=rowgroup>
			<a href="https://www.w3.org/TR/css-values-3/#viewport-relative-lengths">viewport-percentage length units</a>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-calc-support-pct.html">vh-calc-support-pct.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-calc-support.html">vh-calc-support.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-em-inherit.html">vh-em-inherit.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-inherit.html">vh-inherit.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-interpolate-pct.html">vh-interpolate-pct.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-interpolate-px.html">vh-interpolate-px.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-interpolate-vh.html">vh-interpolate-vh.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-support-margin.html">vh-support-margin.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-support-transform-origin.html">vh-support-transform-origin.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-support-transform-translate.html">vh-support-transform-translate.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-support.html">vh-support.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh-zero-support.html">vh-zero-support.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/vh_not_refreshing_on_chrome.html">vh_not_refreshing_on_chrome.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/viewport-relative-lengths-scaled-viewport.html">viewport-relative-lengths-scaled-viewport.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/viewport-unit-011.html">viewport-unit-011.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/viewport-units-001-print.html">viewport-units-001-print.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/viewport-units-css2-001.html">viewport-units-css2-001.html</a>
			<td>
			<td>
			<td>

	</table>

<h2>Integration with <a href="https://www.w3.org/TR/css-font-loading-3/">Font Loading Module Level 3 specification</a></h2>

	<table class=data>
	<thead>
		<tr>
			<th>Test
			<th>Blink
			<th>Gecko
			<th>WebKit
	<tbody id=unit-font-load>
		<tr><th colspan=4 scope=rowgroup>
			recalculation of unit on font load
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-empty-pseudo-recalc-on-font-load.html">ch-empty-pseudo-recalc-on-font-load.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-pseudo-recalc-on-font-load.html">ch-pseudo-recalc-on-font-load.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/ch-recalc-on-font-load.html">ch-recalc-on-font-load.html</a>
			<td>
			<td>
			<td>
		<tr>
			<th><a href="http://wpt.live/css/css-values/viewport-units-after-font-load.html">viewport-units-after-font-load.html</a>
			<td>
			<td>
			<td>

	</table>

<h2>Tests that will pass in browsers that do not support attribute reference attr() function</h2>

<ol>
  <li><a href="http://wpt.live/css/css-values/attr-color-invalid-fallback.html">attr-color-invalid-fallback.html</a>
  <li><a href="http://wpt.live/css/css-values/attr-invalid-type-001.html">attr-invalid-type-001.html</a>
  <li><a href="http://wpt.live/css/css-values/attr-invalid-type-002.html">attr-invalid-type-002.html</a>
  <li><a href="http://wpt.live/css/css-values/attr-invalid-type-008.html">attr-invalid-type-008.html</a>
  <li><a href="http://wpt.live/css/css-values/attr-length-invalid-fallback.html">attr-length-invalid-fallback.html</a>
</ol>

  <!--

  *************************
  * Notes April 30th 2021 *
  *************************


  http://wpt.live/css/css-values/
  attr-length-valid-zero-nofallback.html  seems incorrect
  and
  attr-length-valid-zero.html  is not clear
  see
  https://github.com/w3c/csswg-drafts/issues/6244


  - - - - -


  http://wpt.live/css/css-values/
  viewport-unit-011.html
  The reference file
  http://wpt.live/css/css-values/reference/viewport-unit-011-ref.html
  uses 100vh which is not best.
  A better alternative can be created.


  - - - - -


  http://wpt.live/css/css-values/
  calc-height-table-1.html
  exceeds 600x600 viewport constraint


  - - - - -


  http://wpt.live/css/css-values/
  calc-width-table-fixed-1.html
  different implementations of table fixed of Gecko vs Blink


  - - - - -


  http://wpt.live/css/css-values/
  attr-px-invalid-fallback.html  seems incorrect
  see
  https://github.com/web-platform-tests/wpt/issues/28765


  -->
